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cmd/cgo: give __uint128_t type [16]uint8

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The __uint128_t type appears in darwin/arm header files processed by
cgo -godefs in http://golang.org/cl/16045.

Change-Id: I666194c65dee8ea0ae933d2f02a3abe4581c4697
Reviewed-on: https://go-review.googlesource.com/16046
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: David Crawshaw <crawshaw@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
David Crawshaw 2015-10-18 13:32:11 -04:00
parent 996c540be2
commit fd8592859b
2 changed files with 11 additions and 0 deletions
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1
src/cmd/cgo/doc.go
View file

@ -119,6 +119,7 @@ C.short, C.ushort (unsigned short), C.int, C.uint (unsigned int),
C.long, C.ulong (unsigned long), C.longlong (long long), C.long, C.ulong (unsigned long), C.longlong (long long),
C.ulonglong (unsigned long long), C.float, C.double. C.ulonglong (unsigned long long), C.float, C.double.
The C type void* is represented by Go's unsafe.Pointer. The C type void* is represented by Go's unsafe.Pointer.
The C types __int128_t and __uint128_t are represented by [16]byte.
To access a struct, union, or enum type directly, prefix it with To access a struct, union, or enum type directly, prefix it with
struct_, union_, or enum_, as in C.struct_stat. struct_, union_, or enum_, as in C.struct_stat.

10
src/cmd/cgo/gcc.go
View file

@ -1227,6 +1227,11 @@ func (c *typeConv) Type(dtype dwarf.Type, pos token.Pos) *Type {
t.Go = c.int32 t.Go = c.int32
case 8: case 8:
t.Go = c.int64 t.Go = c.int64
case 16:
t.Go = &ast.ArrayType{
Len: c.intExpr(t.Size),
Elt: c.uint8,
}
} }
if t.Align = t.Size; t.Align >= c.ptrSize { if t.Align = t.Size; t.Align >= c.ptrSize {
t.Align = c.ptrSize t.Align = c.ptrSize
@ -1384,6 +1389,11 @@ func (c *typeConv) Type(dtype dwarf.Type, pos token.Pos) *Type {
t.Go = c.uint32 t.Go = c.uint32
case 8: case 8:
t.Go = c.uint64 t.Go = c.uint64
case 16:
t.Go = &ast.ArrayType{
Len: c.intExpr(t.Size),
Elt: c.uint8,
}
} }
if t.Align = t.Size; t.Align >= c.ptrSize { if t.Align = t.Size; t.Align >= c.ptrSize {
t.Align = c.ptrSize t.Align = c.ptrSize